ANS

Question 1

neurons for ANS

Answer 1

pregang (body in CNS)

postgang (in autonomic gang in PNS)

Question 2

neuron of ANS origin

Answer 2

pregang = neuroectoderm
postgang = neural crest

Question 3

para NT/receptors

Answer 3

pre: ACh NT
post: nicotinic receptor, ACh NT
target: muscarinic receptor (organs - no body wall)

Question 4

symp NT/receptors (target organs)

Answer 4

pre: ACh NT
post: nicotinic receptor, NE NT
target: alpha or beta receptors
OR
pre: ACh NT
adrenal medulla: nicotinic receptor, NE hormone in blood
target: alpha or beta receptors

Question 5

symp NT/receptors (target body wall)

Answer 5

pre: ACh NT
post: nicotinic receptor, ACh NT
target: muscarinic receptor

Question 6

somatic NT/receptors

Answer 6

neuron: NT = ACh
muscle: receptor = musculo-nicotinic

Question 7

somatic NT/receptors

Answer 7

neuron: NT = ACh
muscle: receptor = musculo-nicotinic

Question 8

symp pathway

Answer 8

1. hypothalmus
2. ipsilateral pre-ganlionic (intermediate horn?)
3. postgang –> target

Question 9

types of Horner

Answer 9

peripheral (lesion in pre or plexus)

central (lesion in hypo tract)

Question 10

types of Horner

Answer 10

peripheral (lesion in T1 or plexus)

central (lesion in hypo tract)

Question 11

Horner sx

Answer 11

ipsilateral ptosis, miosis and anhydrosis

Question 12

Horner sx

Answer 12

ipsilateral ptosis, miosis and anhydrosis

Question 13

sympathetic levels

Answer 13

T1-L2

Question 14

parasympathetic levels

Answer 14

CN III
CN VII
CN IX
CN X
S2-S4

Question 15

para pathway

Answer 15

1. bilateral hypothalamus
2. preganglionic
3. postganglionic

Question 16

para bilateral hypo –>

Answer 16

no central lesions - if one or other is knocked out its still ok